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author | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2017-02-17 16:11:01 +0100 |
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committer | ftrapero <frantracer@gmail.com> | 2017-06-15 14:16:37 +0200 |
commit | 209657f69055b17b00c3db3f99c7f411a6e8d176 (patch) | |
tree | 8d6ae61dfda54305a712bded9caff9ee608abf4e /nx-X11/extras/Mesa/src/mesa/main/eval.c | |
parent | 459021c165c7023ee75f524060ca270985b547c1 (diff) | |
download | nx-libs-209657f69055b17b00c3db3f99c7f411a6e8d176.tar.gz nx-libs-209657f69055b17b00c3db3f99c7f411a6e8d176.tar.bz2 nx-libs-209657f69055b17b00c3db3f99c7f411a6e8d176.zip |
nx-X11/extras/Mesa: Drop bundled Mesa, place a symlink to imported Git subtree of Mesa_6.4.1 instead.
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/main/eval.c')
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/main/eval.c | 962 |
1 files changed, 0 insertions, 962 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/main/eval.c b/nx-X11/extras/Mesa/src/mesa/main/eval.c deleted file mode 100644 index 3f89f9c1e..000000000 --- a/nx-X11/extras/Mesa/src/mesa/main/eval.c +++ /dev/null @@ -1,962 +0,0 @@ - -/* - * Mesa 3-D graphics library - * Version: 5.1 - * - * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - - -/* - * eval.c was written by - * Bernd Barsuhn (bdbarsuh@cip.informatik.uni-erlangen.de) and - * Volker Weiss (vrweiss@cip.informatik.uni-erlangen.de). - * - * My original implementation of evaluators was simplistic and didn't - * compute surface normal vectors properly. Bernd and Volker applied - * used more sophisticated methods to get better results. - * - * Thanks guys! - */ - - -#include "glheader.h" -#include "imports.h" -#include "colormac.h" -#include "context.h" -#include "eval.h" -#include "macros.h" -#include "mtypes.h" - - -/* - * Return the number of components per control point for any type of - * evaluator. Return 0 if bad target. - * See table 5.1 in the OpenGL 1.2 spec. - */ -GLuint _mesa_evaluator_components( GLenum target ) -{ - switch (target) { - case GL_MAP1_VERTEX_3: return 3; - case GL_MAP1_VERTEX_4: return 4; - case GL_MAP1_INDEX: return 1; - case GL_MAP1_COLOR_4: return 4; - case GL_MAP1_NORMAL: return 3; - case GL_MAP1_TEXTURE_COORD_1: return 1; - case GL_MAP1_TEXTURE_COORD_2: return 2; - case GL_MAP1_TEXTURE_COORD_3: return 3; - case GL_MAP1_TEXTURE_COORD_4: return 4; - case GL_MAP2_VERTEX_3: return 3; - case GL_MAP2_VERTEX_4: return 4; - case GL_MAP2_INDEX: return 1; - case GL_MAP2_COLOR_4: return 4; - case GL_MAP2_NORMAL: return 3; - case GL_MAP2_TEXTURE_COORD_1: return 1; - case GL_MAP2_TEXTURE_COORD_2: return 2; - case GL_MAP2_TEXTURE_COORD_3: return 3; - case GL_MAP2_TEXTURE_COORD_4: return 4; - default: break; - } - - /* XXX need to check for the vertex program extension - if (!ctx->Extensions.NV_vertex_program) - return 0; - */ - - if (target >= GL_MAP1_VERTEX_ATTRIB0_4_NV && - target <= GL_MAP1_VERTEX_ATTRIB15_4_NV) - return 4; - - if (target >= GL_MAP2_VERTEX_ATTRIB0_4_NV && - target <= GL_MAP2_VERTEX_ATTRIB15_4_NV) - return 4; - - return 0; -} - - -/* - * Return pointer to the gl_1d_map struct for the named target. - */ -static struct gl_1d_map * -get_1d_map( GLcontext *ctx, GLenum target ) -{ - switch (target) { - case GL_MAP1_VERTEX_3: - return &ctx->EvalMap.Map1Vertex3; - case GL_MAP1_VERTEX_4: - return &ctx->EvalMap.Map1Vertex4; - case GL_MAP1_INDEX: - return &ctx->EvalMap.Map1Index; - case GL_MAP1_COLOR_4: - return &ctx->EvalMap.Map1Color4; - case GL_MAP1_NORMAL: - return &ctx->EvalMap.Map1Normal; - case GL_MAP1_TEXTURE_COORD_1: - return &ctx->EvalMap.Map1Texture1; - case GL_MAP1_TEXTURE_COORD_2: - return &ctx->EvalMap.Map1Texture2; - case GL_MAP1_TEXTURE_COORD_3: - return &ctx->EvalMap.Map1Texture3; - case GL_MAP1_TEXTURE_COORD_4: - return &ctx->EvalMap.Map1Texture4; - case GL_MAP1_VERTEX_ATTRIB0_4_NV: - case GL_MAP1_VERTEX_ATTRIB1_4_NV: - case GL_MAP1_VERTEX_ATTRIB2_4_NV: - case GL_MAP1_VERTEX_ATTRIB3_4_NV: - case GL_MAP1_VERTEX_ATTRIB4_4_NV: - case GL_MAP1_VERTEX_ATTRIB5_4_NV: - case GL_MAP1_VERTEX_ATTRIB6_4_NV: - case GL_MAP1_VERTEX_ATTRIB7_4_NV: - case GL_MAP1_VERTEX_ATTRIB8_4_NV: - case GL_MAP1_VERTEX_ATTRIB9_4_NV: - case GL_MAP1_VERTEX_ATTRIB10_4_NV: - case GL_MAP1_VERTEX_ATTRIB11_4_NV: - case GL_MAP1_VERTEX_ATTRIB12_4_NV: - case GL_MAP1_VERTEX_ATTRIB13_4_NV: - case GL_MAP1_VERTEX_ATTRIB14_4_NV: - case GL_MAP1_VERTEX_ATTRIB15_4_NV: - if (!ctx->Extensions.NV_vertex_program) - return NULL; - return &ctx->EvalMap.Map1Attrib[target - GL_MAP1_VERTEX_ATTRIB0_4_NV]; - default: - return NULL; - } -} - - -/* - * Return pointer to the gl_2d_map struct for the named target. - */ -static struct gl_2d_map * -get_2d_map( GLcontext *ctx, GLenum target ) -{ - switch (target) { - case GL_MAP2_VERTEX_3: - return &ctx->EvalMap.Map2Vertex3; - case GL_MAP2_VERTEX_4: - return &ctx->EvalMap.Map2Vertex4; - case GL_MAP2_INDEX: - return &ctx->EvalMap.Map2Index; - case GL_MAP2_COLOR_4: - return &ctx->EvalMap.Map2Color4; - case GL_MAP2_NORMAL: - return &ctx->EvalMap.Map2Normal; - case GL_MAP2_TEXTURE_COORD_1: - return &ctx->EvalMap.Map2Texture1; - case GL_MAP2_TEXTURE_COORD_2: - return &ctx->EvalMap.Map2Texture2; - case GL_MAP2_TEXTURE_COORD_3: - return &ctx->EvalMap.Map2Texture3; - case GL_MAP2_TEXTURE_COORD_4: - return &ctx->EvalMap.Map2Texture4; - case GL_MAP2_VERTEX_ATTRIB0_4_NV: - case GL_MAP2_VERTEX_ATTRIB1_4_NV: - case GL_MAP2_VERTEX_ATTRIB2_4_NV: - case GL_MAP2_VERTEX_ATTRIB3_4_NV: - case GL_MAP2_VERTEX_ATTRIB4_4_NV: - case GL_MAP2_VERTEX_ATTRIB5_4_NV: - case GL_MAP2_VERTEX_ATTRIB6_4_NV: - case GL_MAP2_VERTEX_ATTRIB7_4_NV: - case GL_MAP2_VERTEX_ATTRIB8_4_NV: - case GL_MAP2_VERTEX_ATTRIB9_4_NV: - case GL_MAP2_VERTEX_ATTRIB10_4_NV: - case GL_MAP2_VERTEX_ATTRIB11_4_NV: - case GL_MAP2_VERTEX_ATTRIB12_4_NV: - case GL_MAP2_VERTEX_ATTRIB13_4_NV: - case GL_MAP2_VERTEX_ATTRIB14_4_NV: - case GL_MAP2_VERTEX_ATTRIB15_4_NV: - if (!ctx->Extensions.NV_vertex_program) - return NULL; - return &ctx->EvalMap.Map2Attrib[target - GL_MAP2_VERTEX_ATTRIB0_4_NV]; - default: - return NULL; - } -} - - -/**********************************************************************/ -/*** Copy and deallocate control points ***/ -/**********************************************************************/ - - -/* - * Copy 1-parametric evaluator control points from user-specified - * memory space to a buffer of contiguous control points. - * \param see glMap1f for details - * \return pointer to buffer of contiguous control points or NULL if out - * of memory. - */ -GLfloat *_mesa_copy_map_points1f( GLenum target, GLint ustride, GLint uorder, - const GLfloat *points ) -{ - GLfloat *buffer, *p; - GLint i, k, size = _mesa_evaluator_components(target); - - if (!points || !size) - return NULL; - - buffer = (GLfloat *) MALLOC(uorder * size * sizeof(GLfloat)); - - if (buffer) - for (i = 0, p = buffer; i < uorder; i++, points += ustride) - for (k = 0; k < size; k++) - *p++ = points[k]; - - return buffer; -} - - - -/* - * Same as above but convert doubles to floats. - */ -GLfloat *_mesa_copy_map_points1d( GLenum target, GLint ustride, GLint uorder, - const GLdouble *points ) -{ - GLfloat *buffer, *p; - GLint i, k, size = _mesa_evaluator_components(target); - - if (!points || !size) - return NULL; - - buffer = (GLfloat *) MALLOC(uorder * size * sizeof(GLfloat)); - - if (buffer) - for (i = 0, p = buffer; i < uorder; i++, points += ustride) - for (k = 0; k < size; k++) - *p++ = (GLfloat) points[k]; - - return buffer; -} - - - -/* - * Copy 2-parametric evaluator control points from user-specified - * memory space to a buffer of contiguous control points. - * Additional memory is allocated to be used by the horner and - * de Casteljau evaluation schemes. - * - * \param see glMap2f for details - * \return pointer to buffer of contiguous control points or NULL if out - * of memory. - */ -GLfloat *_mesa_copy_map_points2f( GLenum target, - GLint ustride, GLint uorder, - GLint vstride, GLint vorder, - const GLfloat *points ) -{ - GLfloat *buffer, *p; - GLint i, j, k, size, dsize, hsize; - GLint uinc; - - size = _mesa_evaluator_components(target); - - if (!points || size==0) { - return NULL; - } - - /* max(uorder, vorder) additional points are used in */ - /* horner evaluation and uorder*vorder additional */ - /* values are needed for de Casteljau */ - dsize = (uorder == 2 && vorder == 2)? 0 : uorder*vorder; - hsize = (uorder > vorder ? uorder : vorder)*size; - - if(hsize>dsize) - buffer = (GLfloat *) MALLOC((uorder*vorder*size+hsize)*sizeof(GLfloat)); - else - buffer = (GLfloat *) MALLOC((uorder*vorder*size+dsize)*sizeof(GLfloat)); - - /* compute the increment value for the u-loop */ - uinc = ustride - vorder*vstride; - - if (buffer) - for (i=0, p=buffer; i<uorder; i++, points += uinc) - for (j=0; j<vorder; j++, points += vstride) - for (k=0; k<size; k++) - *p++ = points[k]; - - return buffer; -} - - - -/* - * Same as above but convert doubles to floats. - */ -GLfloat *_mesa_copy_map_points2d(GLenum target, - GLint ustride, GLint uorder, - GLint vstride, GLint vorder, - const GLdouble *points ) -{ - GLfloat *buffer, *p; - GLint i, j, k, size, hsize, dsize; - GLint uinc; - - size = _mesa_evaluator_components(target); - - if (!points || size==0) { - return NULL; - } - - /* max(uorder, vorder) additional points are used in */ - /* horner evaluation and uorder*vorder additional */ - /* values are needed for de Casteljau */ - dsize = (uorder == 2 && vorder == 2)? 0 : uorder*vorder; - hsize = (uorder > vorder ? uorder : vorder)*size; - - if(hsize>dsize) - buffer = (GLfloat *) MALLOC((uorder*vorder*size+hsize)*sizeof(GLfloat)); - else - buffer = (GLfloat *) MALLOC((uorder*vorder*size+dsize)*sizeof(GLfloat)); - - /* compute the increment value for the u-loop */ - uinc = ustride - vorder*vstride; - - if (buffer) - for (i=0, p=buffer; i<uorder; i++, points += uinc) - for (j=0; j<vorder; j++, points += vstride) - for (k=0; k<size; k++) - *p++ = (GLfloat) points[k]; - - return buffer; -} - - - - -/**********************************************************************/ -/*** API entry points ***/ -/**********************************************************************/ - - -/* - * This does the work of glMap1[fd]. - */ -static void -map1(GLenum target, GLfloat u1, GLfloat u2, GLint ustride, - GLint uorder, const GLvoid *points, GLenum type ) -{ - GET_CURRENT_CONTEXT(ctx); - GLint k; - GLfloat *pnts; - struct gl_1d_map *map = NULL; - - ASSERT_OUTSIDE_BEGIN_END(ctx); - ASSERT(type == GL_FLOAT || type == GL_DOUBLE); - - if (u1 == u2) { - _mesa_error( ctx, GL_INVALID_VALUE, "glMap1(u1,u2)" ); - return; - } - if (uorder < 1 || uorder > MAX_EVAL_ORDER) { - _mesa_error( ctx, GL_INVALID_VALUE, "glMap1(order)" ); - return; - } - if (!points) { - _mesa_error( ctx, GL_INVALID_VALUE, "glMap1(points)" ); - return; - } - - k = _mesa_evaluator_components( target ); - if (k == 0) { - _mesa_error( ctx, GL_INVALID_ENUM, "glMap1(target)" ); - } - - if (ustride < k) { - _mesa_error( ctx, GL_INVALID_VALUE, "glMap1(stride)" ); - return; - } - - if (ctx->Texture.CurrentUnit != 0) { - /* See OpenGL 1.2.1 spec, section F.2.13 */ - _mesa_error( ctx, GL_INVALID_OPERATION, "glMap2(ACTIVE_TEXTURE != 0)" ); - return; - } - - map = get_1d_map(ctx, target); - if (!map) { - _mesa_error( ctx, GL_INVALID_ENUM, "glMap1(target)" ); - return; - } - - /* make copy of the control points */ - if (type == GL_FLOAT) - pnts = _mesa_copy_map_points1f(target, ustride, uorder, (GLfloat*) points); - else - pnts = _mesa_copy_map_points1d(target, ustride, uorder, (GLdouble*) points); - - - FLUSH_VERTICES(ctx, _NEW_EVAL); - map->Order = uorder; - map->u1 = u1; - map->u2 = u2; - map->du = 1.0F / (u2 - u1); - if (map->Points) - FREE( map->Points ); - map->Points = pnts; -} - - - -void GLAPIENTRY -_mesa_Map1f( GLenum target, GLfloat u1, GLfloat u2, GLint stride, - GLint order, const GLfloat *points ) -{ - map1(target, u1, u2, stride, order, points, GL_FLOAT); -} - - -void GLAPIENTRY -_mesa_Map1d( GLenum target, GLdouble u1, GLdouble u2, GLint stride, - GLint order, const GLdouble *points ) -{ - map1(target, (GLfloat) u1, (GLfloat) u2, stride, order, points, GL_DOUBLE); -} - - -static void -map2( GLenum target, GLfloat u1, GLfloat u2, GLint ustride, GLint uorder, - GLfloat v1, GLfloat v2, GLint vstride, GLint vorder, - const GLvoid *points, GLenum type ) -{ - GET_CURRENT_CONTEXT(ctx); - GLint k; - GLfloat *pnts; - struct gl_2d_map *map = NULL; - - ASSERT_OUTSIDE_BEGIN_END(ctx); - ASSERT(type == GL_FLOAT || type == GL_DOUBLE); - - if (u1==u2) { - _mesa_error( ctx, GL_INVALID_VALUE, "glMap2(u1,u2)" ); - return; - } - - if (v1==v2) { - _mesa_error( ctx, GL_INVALID_VALUE, "glMap2(v1,v2)" ); - return; - } - - if (uorder<1 || uorder>MAX_EVAL_ORDER) { - _mesa_error( ctx, GL_INVALID_VALUE, "glMap2(uorder)" ); - return; - } - - if (vorder<1 || vorder>MAX_EVAL_ORDER) { - _mesa_error( ctx, GL_INVALID_VALUE, "glMap2(vorder)" ); - return; - } - - k = _mesa_evaluator_components( target ); - if (k==0) { - _mesa_error( ctx, GL_INVALID_ENUM, "glMap2(target)" ); - } - - if (ustride < k) { - _mesa_error( ctx, GL_INVALID_VALUE, "glMap2(ustride)" ); - return; - } - if (vstride < k) { - _mesa_error( ctx, GL_INVALID_VALUE, "glMap2(vstride)" ); - return; - } - - if (ctx->Texture.CurrentUnit != 0) { - /* See OpenGL 1.2.1 spec, section F.2.13 */ - _mesa_error( ctx, GL_INVALID_OPERATION, "glMap2(ACTIVE_TEXTURE != 0)" ); - return; - } - - map = get_2d_map(ctx, target); - if (!map) { - _mesa_error( ctx, GL_INVALID_ENUM, "glMap2(target)" ); - return; - } - - /* make copy of the control points */ - if (type == GL_FLOAT) - pnts = _mesa_copy_map_points2f(target, ustride, uorder, - vstride, vorder, (GLfloat*) points); - else - pnts = _mesa_copy_map_points2d(target, ustride, uorder, - vstride, vorder, (GLdouble*) points); - - - FLUSH_VERTICES(ctx, _NEW_EVAL); - map->Uorder = uorder; - map->u1 = u1; - map->u2 = u2; - map->du = 1.0F / (u2 - u1); - map->Vorder = vorder; - map->v1 = v1; - map->v2 = v2; - map->dv = 1.0F / (v2 - v1); - if (map->Points) - FREE( map->Points ); - map->Points = pnts; -} - - -void GLAPIENTRY -_mesa_Map2f( GLenum target, - GLfloat u1, GLfloat u2, GLint ustride, GLint uorder, - GLfloat v1, GLfloat v2, GLint vstride, GLint vorder, - const GLfloat *points) -{ - map2(target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, - points, GL_FLOAT); -} - - -void GLAPIENTRY -_mesa_Map2d( GLenum target, - GLdouble u1, GLdouble u2, GLint ustride, GLint uorder, - GLdouble v1, GLdouble v2, GLint vstride, GLint vorder, - const GLdouble *points ) -{ - map2(target, (GLfloat) u1, (GLfloat) u2, ustride, uorder, - (GLfloat) v1, (GLfloat) v2, vstride, vorder, points, GL_DOUBLE); -} - - - -void GLAPIENTRY -_mesa_GetMapdv( GLenum target, GLenum query, GLdouble *v ) -{ - GET_CURRENT_CONTEXT(ctx); - struct gl_1d_map *map1d; - struct gl_2d_map *map2d; - GLint i, n; - GLfloat *data; - GLuint comps; - - ASSERT_OUTSIDE_BEGIN_END(ctx); - - comps = _mesa_evaluator_components(target); - if (!comps) { - _mesa_error( ctx, GL_INVALID_ENUM, "glGetMapdv(target)" ); - return; - } - - map1d = get_1d_map(ctx, target); - map2d = get_2d_map(ctx, target); - ASSERT(map1d || map2d); - - switch (query) { - case GL_COEFF: - if (map1d) { - data = map1d->Points; - n = map1d->Order * comps; - } - else { - data = map2d->Points; - n = map2d->Uorder * map2d->Vorder * comps; - } - if (data) { - for (i=0;i<n;i++) { - v[i] = data[i]; - } - } - break; - case GL_ORDER: - if (map1d) { - v[0] = (GLdouble) map1d->Order; - } - else { - v[0] = (GLdouble) map2d->Uorder; - v[1] = (GLdouble) map2d->Vorder; - } - break; - case GL_DOMAIN: - if (map1d) { - v[0] = (GLdouble) map1d->u1; - v[1] = (GLdouble) map1d->u2; - } - else { - v[0] = (GLdouble) map2d->u1; - v[1] = (GLdouble) map2d->u2; - v[2] = (GLdouble) map2d->v1; - v[3] = (GLdouble) map2d->v2; - } - break; - default: - _mesa_error( ctx, GL_INVALID_ENUM, "glGetMapdv(query)" ); - } -} - - -void GLAPIENTRY -_mesa_GetMapfv( GLenum target, GLenum query, GLfloat *v ) -{ - GET_CURRENT_CONTEXT(ctx); - struct gl_1d_map *map1d; - struct gl_2d_map *map2d; - GLint i, n; - GLfloat *data; - GLuint comps; - - ASSERT_OUTSIDE_BEGIN_END(ctx); - - comps = _mesa_evaluator_components(target); - if (!comps) { - _mesa_error( ctx, GL_INVALID_ENUM, "glGetMapfv(target)" ); - return; - } - - map1d = get_1d_map(ctx, target); - map2d = get_2d_map(ctx, target); - ASSERT(map1d || map2d); - - switch (query) { - case GL_COEFF: - if (map1d) { - data = map1d->Points; - n = map1d->Order * comps; - } - else { - data = map2d->Points; - n = map2d->Uorder * map2d->Vorder * comps; - } - if (data) { - for (i=0;i<n;i++) { - v[i] = data[i]; - } - } - break; - case GL_ORDER: - if (map1d) { - v[0] = (GLfloat) map1d->Order; - } - else { - v[0] = (GLfloat) map2d->Uorder; - v[1] = (GLfloat) map2d->Vorder; - } - break; - case GL_DOMAIN: - if (map1d) { - v[0] = map1d->u1; - v[1] = map1d->u2; - } - else { - v[0] = map2d->u1; - v[1] = map2d->u2; - v[2] = map2d->v1; - v[3] = map2d->v2; - } - break; - default: - _mesa_error( ctx, GL_INVALID_ENUM, "glGetMapfv(query)" ); - } -} - - -void GLAPIENTRY -_mesa_GetMapiv( GLenum target, GLenum query, GLint *v ) -{ - GET_CURRENT_CONTEXT(ctx); - struct gl_1d_map *map1d; - struct gl_2d_map *map2d; - GLuint i, n; - GLfloat *data; - GLuint comps; - - ASSERT_OUTSIDE_BEGIN_END(ctx); - - comps = _mesa_evaluator_components(target); - if (!comps) { - _mesa_error( ctx, GL_INVALID_ENUM, "glGetMapiv(target)" ); - return; - } - - map1d = get_1d_map(ctx, target); - map2d = get_2d_map(ctx, target); - ASSERT(map1d || map2d); - - switch (query) { - case GL_COEFF: - if (map1d) { - data = map1d->Points; - n = map1d->Order * comps; - } - else { - data = map2d->Points; - n = map2d->Uorder * map2d->Vorder * comps; - } - if (data) { - for (i=0;i<n;i++) { - v[i] = IROUND(data[i]); - } - } - break; - case GL_ORDER: - if (map1d) { - v[0] = map1d->Order; - } - else { - v[0] = map2d->Uorder; - v[1] = map2d->Vorder; - } - break; - case GL_DOMAIN: - if (map1d) { - v[0] = IROUND(map1d->u1); - v[1] = IROUND(map1d->u2); - } - else { - v[0] = IROUND(map2d->u1); - v[1] = IROUND(map2d->u2); - v[2] = IROUND(map2d->v1); - v[3] = IROUND(map2d->v2); - } - break; - default: - _mesa_error( ctx, GL_INVALID_ENUM, "glGetMapiv(query)" ); - } -} - - - -void GLAPIENTRY -_mesa_MapGrid1f( GLint un, GLfloat u1, GLfloat u2 ) -{ - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END(ctx); - - if (un<1) { - _mesa_error( ctx, GL_INVALID_VALUE, "glMapGrid1f" ); - return; - } - FLUSH_VERTICES(ctx, _NEW_EVAL); - ctx->Eval.MapGrid1un = un; - ctx->Eval.MapGrid1u1 = u1; - ctx->Eval.MapGrid1u2 = u2; - ctx->Eval.MapGrid1du = (u2 - u1) / (GLfloat) un; -} - - -void GLAPIENTRY -_mesa_MapGrid1d( GLint un, GLdouble u1, GLdouble u2 ) -{ - _mesa_MapGrid1f( un, (GLfloat) u1, (GLfloat) u2 ); -} - - -void GLAPIENTRY -_mesa_MapGrid2f( GLint un, GLfloat u1, GLfloat u2, - GLint vn, GLfloat v1, GLfloat v2 ) -{ - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END(ctx); - - if (un<1) { - _mesa_error( ctx, GL_INVALID_VALUE, "glMapGrid2f(un)" ); - return; - } - if (vn<1) { - _mesa_error( ctx, GL_INVALID_VALUE, "glMapGrid2f(vn)" ); - return; - } - - FLUSH_VERTICES(ctx, _NEW_EVAL); - ctx->Eval.MapGrid2un = un; - ctx->Eval.MapGrid2u1 = u1; - ctx->Eval.MapGrid2u2 = u2; - ctx->Eval.MapGrid2du = (u2 - u1) / (GLfloat) un; - ctx->Eval.MapGrid2vn = vn; - ctx->Eval.MapGrid2v1 = v1; - ctx->Eval.MapGrid2v2 = v2; - ctx->Eval.MapGrid2dv = (v2 - v1) / (GLfloat) vn; -} - - -void GLAPIENTRY -_mesa_MapGrid2d( GLint un, GLdouble u1, GLdouble u2, - GLint vn, GLdouble v1, GLdouble v2 ) -{ - _mesa_MapGrid2f( un, (GLfloat) u1, (GLfloat) u2, - vn, (GLfloat) v1, (GLfloat) v2 ); -} - - - -/**********************************************************************/ -/***** Initialization *****/ -/**********************************************************************/ - -/** - * Initialize a 1-D evaluator map. - */ -static void -init_1d_map( struct gl_1d_map *map, int n, const float *initial ) -{ - map->Order = 1; - map->u1 = 0.0; - map->u2 = 1.0; - map->Points = (GLfloat *) MALLOC(n * sizeof(GLfloat)); - if (map->Points) { - GLint i; - for (i=0;i<n;i++) - map->Points[i] = initial[i]; - } -} - - -/** - * Initialize a 2-D evaluator map - */ -static void -init_2d_map( struct gl_2d_map *map, int n, const float *initial ) -{ - map->Uorder = 1; - map->Vorder = 1; - map->u1 = 0.0; - map->u2 = 1.0; - map->v1 = 0.0; - map->v2 = 1.0; - map->Points = (GLfloat *) MALLOC(n * sizeof(GLfloat)); - if (map->Points) { - GLint i; - for (i=0;i<n;i++) - map->Points[i] = initial[i]; - } -} - - -void _mesa_init_eval( GLcontext *ctx ) -{ - int i; - - /* Evaluators group */ - ctx->Eval.Map1Color4 = GL_FALSE; - ctx->Eval.Map1Index = GL_FALSE; - ctx->Eval.Map1Normal = GL_FALSE; - ctx->Eval.Map1TextureCoord1 = GL_FALSE; - ctx->Eval.Map1TextureCoord2 = GL_FALSE; - ctx->Eval.Map1TextureCoord3 = GL_FALSE; - ctx->Eval.Map1TextureCoord4 = GL_FALSE; - ctx->Eval.Map1Vertex3 = GL_FALSE; - ctx->Eval.Map1Vertex4 = GL_FALSE; - MEMSET(ctx->Eval.Map1Attrib, 0, sizeof(ctx->Eval.Map1Attrib)); - ctx->Eval.Map2Color4 = GL_FALSE; - ctx->Eval.Map2Index = GL_FALSE; - ctx->Eval.Map2Normal = GL_FALSE; - ctx->Eval.Map2TextureCoord1 = GL_FALSE; - ctx->Eval.Map2TextureCoord2 = GL_FALSE; - ctx->Eval.Map2TextureCoord3 = GL_FALSE; - ctx->Eval.Map2TextureCoord4 = GL_FALSE; - ctx->Eval.Map2Vertex3 = GL_FALSE; - ctx->Eval.Map2Vertex4 = GL_FALSE; - MEMSET(ctx->Eval.Map2Attrib, 0, sizeof(ctx->Eval.Map2Attrib)); - ctx->Eval.AutoNormal = GL_FALSE; - ctx->Eval.MapGrid1un = 1; - ctx->Eval.MapGrid1u1 = 0.0; - ctx->Eval.MapGrid1u2 = 1.0; - ctx->Eval.MapGrid2un = 1; - ctx->Eval.MapGrid2vn = 1; - ctx->Eval.MapGrid2u1 = 0.0; - ctx->Eval.MapGrid2u2 = 1.0; - ctx->Eval.MapGrid2v1 = 0.0; - ctx->Eval.MapGrid2v2 = 1.0; - - /* Evaluator data */ - { - static GLfloat vertex[4] = { 0.0, 0.0, 0.0, 1.0 }; - static GLfloat normal[3] = { 0.0, 0.0, 1.0 }; - static GLfloat index[1] = { 1.0 }; - static GLfloat color[4] = { 1.0, 1.0, 1.0, 1.0 }; - static GLfloat texcoord[4] = { 0.0, 0.0, 0.0, 1.0 }; - static GLfloat attrib[4] = { 0.0, 0.0, 0.0, 1.0 }; - - init_1d_map( &ctx->EvalMap.Map1Vertex3, 3, vertex ); - init_1d_map( &ctx->EvalMap.Map1Vertex4, 4, vertex ); - init_1d_map( &ctx->EvalMap.Map1Index, 1, index ); - init_1d_map( &ctx->EvalMap.Map1Color4, 4, color ); - init_1d_map( &ctx->EvalMap.Map1Normal, 3, normal ); - init_1d_map( &ctx->EvalMap.Map1Texture1, 1, texcoord ); - init_1d_map( &ctx->EvalMap.Map1Texture2, 2, texcoord ); - init_1d_map( &ctx->EvalMap.Map1Texture3, 3, texcoord ); - init_1d_map( &ctx->EvalMap.Map1Texture4, 4, texcoord ); - for (i = 0; i < 16; i++) - init_1d_map( ctx->EvalMap.Map1Attrib + i, 4, attrib ); - - init_2d_map( &ctx->EvalMap.Map2Vertex3, 3, vertex ); - init_2d_map( &ctx->EvalMap.Map2Vertex4, 4, vertex ); - init_2d_map( &ctx->EvalMap.Map2Index, 1, index ); - init_2d_map( &ctx->EvalMap.Map2Color4, 4, color ); - init_2d_map( &ctx->EvalMap.Map2Normal, 3, normal ); - init_2d_map( &ctx->EvalMap.Map2Texture1, 1, texcoord ); - init_2d_map( &ctx->EvalMap.Map2Texture2, 2, texcoord ); - init_2d_map( &ctx->EvalMap.Map2Texture3, 3, texcoord ); - init_2d_map( &ctx->EvalMap.Map2Texture4, 4, texcoord ); - for (i = 0; i < 16; i++) - init_2d_map( ctx->EvalMap.Map2Attrib + i, 4, attrib ); - } -} - - -void _mesa_free_eval_data( GLcontext *ctx ) -{ - int i; - - /* Free evaluator data */ - if (ctx->EvalMap.Map1Vertex3.Points) - FREE( ctx->EvalMap.Map1Vertex3.Points ); - if (ctx->EvalMap.Map1Vertex4.Points) - FREE( ctx->EvalMap.Map1Vertex4.Points ); - if (ctx->EvalMap.Map1Index.Points) - FREE( ctx->EvalMap.Map1Index.Points ); - if (ctx->EvalMap.Map1Color4.Points) - FREE( ctx->EvalMap.Map1Color4.Points ); - if (ctx->EvalMap.Map1Normal.Points) - FREE( ctx->EvalMap.Map1Normal.Points ); - if (ctx->EvalMap.Map1Texture1.Points) - FREE( ctx->EvalMap.Map1Texture1.Points ); - if (ctx->EvalMap.Map1Texture2.Points) - FREE( ctx->EvalMap.Map1Texture2.Points ); - if (ctx->EvalMap.Map1Texture3.Points) - FREE( ctx->EvalMap.Map1Texture3.Points ); - if (ctx->EvalMap.Map1Texture4.Points) - FREE( ctx->EvalMap.Map1Texture4.Points ); - for (i = 0; i < 16; i++) - FREE((ctx->EvalMap.Map1Attrib[i].Points)); - - if (ctx->EvalMap.Map2Vertex3.Points) - FREE( ctx->EvalMap.Map2Vertex3.Points ); - if (ctx->EvalMap.Map2Vertex4.Points) - FREE( ctx->EvalMap.Map2Vertex4.Points ); - if (ctx->EvalMap.Map2Index.Points) - FREE( ctx->EvalMap.Map2Index.Points ); - if (ctx->EvalMap.Map2Color4.Points) - FREE( ctx->EvalMap.Map2Color4.Points ); - if (ctx->EvalMap.Map2Normal.Points) - FREE( ctx->EvalMap.Map2Normal.Points ); - if (ctx->EvalMap.Map2Texture1.Points) - FREE( ctx->EvalMap.Map2Texture1.Points ); - if (ctx->EvalMap.Map2Texture2.Points) - FREE( ctx->EvalMap.Map2Texture2.Points ); - if (ctx->EvalMap.Map2Texture3.Points) - FREE( ctx->EvalMap.Map2Texture3.Points ); - if (ctx->EvalMap.Map2Texture4.Points) - FREE( ctx->EvalMap.Map2Texture4.Points ); - for (i = 0; i < 16; i++) - FREE((ctx->EvalMap.Map2Attrib[i].Points)); -} |